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Bestech Smog
Light-Duty Diesel Vehicles Added to the Smog Check Program
Effective January 1st, 2010, Diesel powered vehicles 1998 & newer under 14,000 GVWR are subject to a Smog Check.
Will Diesels be required to have an Acceleration Simulation mode (ASM) or Two Speed IDLE (TSI) Test?
No, Dynamometer Testing will not be part of the Diesel Smog Check Inspection.
